A boy and a girl are sitting on the porch.
"I'm a boy," says the child with black hair.
"I'm a girl," says the child with red hair.
If at least one of them is lying, who is which?

A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

Near the dead body, they find a few numbers written with blood by the victim on the floor. The numbers are 8, 5, 4, and 11.

The police arrests one of the friends for the murder. Whom did they arrest and why?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

why number 8549176320 is one of a kind?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

81 x 9 = 801. What must you do to make the this equation true?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Find a 9-digit number, which you will gradually round off starting with units, then tenth, hundred etc., until you get to the last numeral, which you do not round off. The rounding alternates (up, down, up ...). After rounding off 8 times, the final number is 500000000. The original number is commensurable by 6 and 7, all the numbers from 1 to 9 are used, and after rounding four times the sum of the not rounded numerals equals 24.